Labor Theory

Famous quotes containing the words labor and/or theory:

“There is virtue yet in the hoe and the spade, for learned as well as for unlearned hands. And labor is everywhere welcome; always we are invited to work.”
—Ralph Waldo Emerson (1803–1882)

“There could be no fairer destiny for any physical theory than that it should point the way to a more comprehensive theory in which it lives on as a limiting case.”
—Albert Einstein (1879–1955)